83520 Immunoassay quantitative not otherwise specified nonab
Also known as: quantitative immunoassay NOS, immunoassay not specified
Quantitative immunoassay not otherwise specified using non-antibody capture or detection systems.
In Plain Language
general laboratory measurement test
Clinical Context
Used as catch-all code for immunoassay methods that do not fit other specific codes. May include novel or proprietary immunoassay methodologies.
RVU Information
CPT 83520 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 83520?
CPT 83520 (Immunoassay quantitative not otherwise specified nonab) is a Pathology & Lab code. Quantitative immunoassay not otherwise specified using non-antibody capture or detection systems.
Who uses CPT code 83520?
CPT 83520 is used by Pathology, Laboratory Medicine. Used as catch-all code for immunoassay methods that do not fit other specific codes. May include novel or proprietary immunoassay methodologies.
When is CPT 83520 used?
Used as catch-all code for immunoassay methods that do not fit other specific codes. May include novel or proprietary immunoassay methodologies.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.